TDA1521/TDA1521Q is a dual hi-fi audio power amplifier encapsulated in a 9-lead plastic power package, especially designed for mains fed applications (e.g. stereo tv sound and stereo radio).
The document is a product specification sheet for the TDA1521 and TDA1521Q integrated circuits. These devices are dual hi-fi audio power amplifiers encapsulated in 9-lead plastic power packages, specifically designed for mains-fed applications such as stereo TV sound and radio.
| Output Power (THD = 0.5%) | 12 W per channel |
|---|---|
| Voltage Gain | 30 dB |
| Supply Voltage Range (Operating) | +/- 7.5 to +/- 21 V |
| Package Type TDA1521 | 9 leads in-line; plastic power (SOT131) |
| Package Type TDA1521Q | 9 leads SIL-bent-to-DIL; plastic power (SOT157) |
| Junction Temperature Max | 150 °C |
The device delivers an output power of 2 x 12 watts (THD = 0.5%) into an 8 Ω load with a symmetrical supply of ± 16 V.
Yes, it features a mute circuit that suppresses unwanted input signals during switching on and off.
The device allows safe operation to a maximum junction temperature of 150 °C.